Downloads a .xpi file (0.2 MB). In Zotero, open Tools → Plugins and install it from the file.
StarsPeople who starred the repository on GitHub: a rough measure of interest.
4
DownloadsAll-time downloads of its release files from GitHub. Installs from elsewhere aren't counted.
32
ContributorsPeople who have committed code to the repository.
6
LicenceThe licence the code is published under, as GitHub reports it.
Apache-2.0
B
Atlas gradeUse with care
A+ABBC
because it launches programs on your computer, and 1 more finding
Next rung: A, once every finding in the code comes out low.
Applies to v0.2.3, released 12 Mar 2026Code checked · not yet tested in a live Zotero
Doesn't work with the current Zotero (10)Works with Zotero 7, 8.
What we found in the codeSets the gradeThe worst finding in these three areas sets the grade.
Code transparencyReadable code; not yet checked against the published sourceThe developer uploaded the release file from the MemorushB account. We haven't yet checked whether this file matches the public source code.UnknownWe couldn't check this yet.
Updates
Updates come from this project's GitHub repositoryThe update address offers this version
Where your data goesOnly contacts services we could identify2 addresses in 2 groups.LowLow concern: normal for plugins that do this job. Listed so you know.
AI services (1)
openrouter.ai
On your computer (1)
127.0.0.1
Where we found it
openrouter.aicontent/scripts/zotero-pdf-highlighter.js · line 286
baseURL: "https://openrouter.ai/api/v1",
Powerful capabilitiesLaunches programs on your computer, and 3 moreMediumMedium concern: worth reading before you install. One medium finding makes the grade B.
Launches programs on your computermediumMedium concern: worth reading before you install.Runs a compiled program it ships, which we can't readmediumMedium concern: worth reading before you install.Stores API keys or passwordslowLow concern.Works with files on your computerlowLow concern.
Where we found it
Launches programs on your computercontent/scripts/zotero-pdf-highlighter.js · line 524
Programs it names include chmod, cp, unzip
"resource://gre/modules/Subprocess.sys.mjs"
Runs a compiled program it ships, which we can't readcontent/scripts/zotero-pdf-highlighter.js · line 627
zph-reranker
SIDECAR_BINARY_NAME = "zph-reranker";
Before you installShown, not gradedFacts to help you decide. They don't change the grade.
Works withZotero 7, 8 · not 9, 10, 11 betaDoesn't work with the current Zotero (10)MediumMedium concern: worth reading before you install. One medium finding makes the grade B.
Description coming soon. We haven't written a summary yet. The line above is the developer's own description; the developer's README is linked above.
What you'll need
Detected automatically
An API key for some featuresWorks without one: built-in local non-LLM ranking (BM25/TF-IDF). Needs a key (OpenRouter): LLM-backed highlighting (API Key, Base URL, Model).
Zotero 7, 8Not working with Zotero 10
Where your data goes
We found: only contacts services we could identify. 2 addresses in 2 groups.
AI services (1)
openrouter.ai
On your computer (1)
127.0.0.1
Evidence · file and line
openrouter.aicontent/scripts/zotero-pdf-highlighter.js · line 286